LTC2412
典型PERFOR一个CE特征
RMS噪声VS V
INCM
850
825
800
RMS噪声（NV ）
RMS噪声（NV ）
775
750
725
700
675
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
REF
= 5V
IN
+
= V
INCM
IN
–
= V
INCM
V
IN
= 0V
F
O
= GND
T
A
= 25°C
775
750
725
700
675
650
–50
–25
0
25
50
温度（℃）
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= 2.5V
V
IN
= 0V
F
O
= GND
75
100
2412 G20
RMS噪声（NV ）
650
–0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
INCM
(V)
2412 G19
RMS噪声VS V
REF
850
825
800
V
CC
= 5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
0.3
0.2
0.1
0
–0.1
–0.2
失调误差（ ppm的V型
REF
)
失调误差（ ppm的V型
REF
)
RMS噪声（NV ）
775
750
725
700
675
650
0
0.5
1
1.5
2 2.5 3
V
REF
(V)
3.5
失调误差VS V
CC
0.3
0.2
0.1
0
–0.1
–0.2
REF
+
= 2.5V
REF
–
= GND
V
REF
= 2.5V
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
3.1
3.5
3.9 4.3
V
CC
(V)
4.7
5.1
5.5
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
+满量程误差（ ppm的V型
REF
)
失调误差（ ppm的V型
REF
)
失调误差（ ppm的V型
REF
)
–0.3
2.7
8
ü W
4
4.5
2412 G22
RMS噪声与温度（T
A
)
850
825
800
850
825
800
775
750
725
700
675
RMS噪声VS V
CC
REF
+
= 2.5V
REF
–
= GND
V
REF
= 2.5V
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
650
2.7
3.1
3.5
3.9 4.3
V
CC
(V)
4.7
5.1
5.5
2412 G21
失调误差VS V
INCM
0.3
0.2
0.1
0
–0.1
–0.2
偏移误差与温度（T
A
)
5
–0.3
–0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
INCM
(V)
2412 G23
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
REF
= 5V
IN
+
= V
INCM
IN
–
= V
INCM
V
IN
= 0V
F
O
= GND
T
A
= 25°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= 2.5V
V
IN
= 0V
F
O
= GND
–25
0
25
50
温度（℃）
75
100
2412 G24
–0.3
–50
失调误差VS V
REF
3
2
1
0
–1
–2
+满量程误差
与温度（T
A
)
V
CC
= 5V
REF
–
= GND
IN
+
= GND
IN
–
= GND
F
O
= GND
T
A
= 25°C
0
0.5
1
1.5
2 2.5 3
V
REF
(V)
3.5
4
4.5
5
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= GND
F
O
= GND
0 15 30 45 60
温度（℃）
75
90
–3
–45 –30 –15
2412 G25
2412 G26
2412 G27
2412f
